From 541bb378ddece2eab135a8066a16994e94436dea Mon Sep 17 00:00:00 2001
From: Giulio Cesare Solaroli <giulio.cesare@solaroli.it>
Date: Mon, 03 Oct 2011 16:04:12 +0000
Subject: Merge pull request #1 from gcsolaroli/master

First version of the restructured repository
---
(limited to 'frontend/beta/js/YUI-extensions/tree/TreeDragZone.js')

diff --git a/frontend/beta/js/YUI-extensions/tree/TreeDragZone.js b/frontend/beta/js/YUI-extensions/tree/TreeDragZone.js
new file mode 100644
index 0000000..9b77b3c
--- a/dev/null
+++ b/frontend/beta/js/YUI-extensions/tree/TreeDragZone.js
@@ -0,0 +1,43 @@
+YAHOO.ext.tree.TreeDragZone = function(tree, config){
+    YAHOO.ext.tree.TreeDragZone.superclass.constructor.call(this, tree.getEl(), config);
+    this.tree = tree;
+};
+
+YAHOO.extendX(YAHOO.ext.tree.TreeDragZone, YAHOO.ext.dd.DragZone, {
+    ddGroup : 'TreeDD',
+    
+    onBeforeDrag : function(data, e){
+        var n = data.node;
+        return n && n.draggable && !n.disabled;
+    },
+    
+    onInitDrag : function(e){
+        var data = this.dragData;
+        this.tree.getSelectionModel().select(data.node);
+        this.proxy.update('');
+        data.node.ui.appendDDGhost(this.proxy.ghost.dom);
+        this.tree.fireEvent('startdrag', this.tree, data.node, e);
+    },
+    
+    getRepairXY : function(e, data){
+        return data.node.ui.getDDRepairXY();
+    },
+    
+    onEndDrag : function(data, e){
+        this.tree.fireEvent('enddrag', this.tree, data.node, e); 
+    },
+    
+    onValidDrop : function(dd, e, id){
+        this.tree.fireEvent('dragdrop', this.tree, this.dragData.node, dd, e);
+        this.hideProxy();
+    },
+    
+    beforeInvalidDrop : function(e, id){
+        if(YAHOO.util.Anim){
+            // this scrolls the original position back into view
+            var sm = this.tree.getSelectionModel();
+            sm.clearSelections();
+            sm.select(this.dragData.node);
+        }
+    }
+});
--
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